EP3675232A4 - Séparateur pour dispositif électrochimique, dispositif électrochimique le comprenant et procédé de fabrication de séparateur - Google Patents

Séparateur pour dispositif électrochimique, dispositif électrochimique le comprenant et procédé de fabrication de séparateur Download PDF

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Publication number
EP3675232A4
EP3675232A4 EP19821533.7A EP19821533A EP3675232A4 EP 3675232 A4 EP3675232 A4 EP 3675232A4 EP 19821533 A EP19821533 A EP 19821533A EP 3675232 A4 EP3675232 A4 EP 3675232A4
Authority
EP
European Patent Office
Prior art keywords
electrochemical device
separator
same
manufacturing
manufacturing separator
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP19821533.7A
Other languages
German (de)
English (en)
Other versions
EP3675232A1 (fr
Inventor
Joo-Sung Lee
A-Young LEE
Sun-Mi Jin
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LG Chem Ltd
Original Assignee
LG Chem Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by LG Chem Ltd filed Critical LG Chem Ltd
Publication of EP3675232A1 publication Critical patent/EP3675232A1/fr
Publication of EP3675232A4 publication Critical patent/EP3675232A4/fr
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
    • H01G11/52—Separators
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/05—Accumulators with non-aqueous electrolyte
    • H01M10/052—Li-accumulators
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/4235—Safety or regulating additives or arrangements in electrodes, separators or electrolyte
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/653—Means for temperature control structurally associated with the cells characterised by electrically insulating or thermally conductive materials
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
    • H01M4/621—Binders
    • H01M4/622—Binders being polymers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/403—Manufacturing processes of separators, membranes or diaphragms
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409—Separators, membranes or diaphragms characterised by the material
    • H01M50/411—Organic material
    • H01M50/414—Synthetic resins, e.g. thermoplastics or thermosetting resins
    • H01M50/417—Polyolefins
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409—Separators, membranes or diaphragms characterised by the material
    • H01M50/411—Organic material
    • H01M50/414—Synthetic resins, e.g. thermoplastics or thermosetting resins
    • H01M50/42—Acrylic resins
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409—Separators, membranes or diaphragms characterised by the material
    • H01M50/411—Organic material
    • H01M50/414—Synthetic resins, e.g. thermoplastics or thermosetting resins
    • H01M50/426—Fluorocarbon polymers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409—Separators, membranes or diaphragms characterised by the material
    • H01M50/431—Inorganic material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409—Separators, membranes or diaphragms characterised by the material
    • H01M50/443—Particulate material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409—Separators, membranes or diaphragms characterised by the material
    • H01M50/446—Composite material consisting of a mixture of organic and inorganic materials
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409—Separators, membranes or diaphragms characterised by the material
    • H01M50/449—Separators, membranes or diaphragms characterised by the material having a layered structure
    • H01M50/451—Separators, membranes or diaphragms characterised by the material having a layered structure comprising layers of only organic material and layers containing inorganic material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409—Separators, membranes or diaphragms characterised by the material
    • H01M50/449—Separators, membranes or diaphragms characterised by the material having a layered structure
    • H01M50/457—Separators, membranes or diaphragms characterised by the material having a layered structure comprising three or more layers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/46—Separators, membranes or diaphragms characterised by their combination with electrodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/489—Separators, membranes, diaphragms or spacing elements inside the cells, characterised by their physical properties, e.g. swelling degree, hydrophilicity or shut down properties
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/489—Separators, membranes, diaphragms or spacing elements inside the cells, characterised by their physical properties, e.g. swelling degree, hydrophilicity or shut down properties
    • H01M50/491—Porosity
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
    • H01G9/004—Details
    • H01G9/02—Diaphragms; Separators
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Inorganic Chemistry (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Composite Materials (AREA)
  • Materials Engineering (AREA)
  • Cell Separators (AREA)
  • Electric Double-Layer Capacitors Or The Like (AREA)
  • Secondary Cells (AREA)
EP19821533.7A 2018-06-22 2019-06-21 Séparateur pour dispositif électrochimique, dispositif électrochimique le comprenant et procédé de fabrication de séparateur Pending EP3675232A4 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR20180072378 2018-06-22
PCT/KR2019/007549 WO2019245343A1 (fr) 2018-06-22 2019-06-21 Séparateur pour dispositif électrochimique, dispositif électrochimique le comprenant et procédé de fabrication de séparateur

Publications (2)

Publication Number Publication Date
EP3675232A1 EP3675232A1 (fr) 2020-07-01
EP3675232A4 true EP3675232A4 (fr) 2020-12-30

Family

ID=68983278

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19821533.7A Pending EP3675232A4 (fr) 2018-06-22 2019-06-21 Séparateur pour dispositif électrochimique, dispositif électrochimique le comprenant et procédé de fabrication de séparateur

Country Status (7)

Country Link
US (1) US20210036286A1 (fr)
EP (1) EP3675232A4 (fr)
JP (1) JP6987963B2 (fr)
KR (1) KR102311778B1 (fr)
CN (1) CN110945683B (fr)
TW (1) TWI798456B (fr)
WO (1) WO2019245343A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022015119A1 (fr) * 2020-07-17 2022-01-20 주식회사 엘지에너지솔루션 Séparateur et dispositif électrochimique le comprenant
CN112951610A (zh) * 2021-02-04 2021-06-11 深圳市金富康电子有限公司 一种长寿命高压铝电解电容器
WO2022205156A1 (fr) * 2021-03-31 2022-10-06 宁德新能源科技有限公司 Séparateur, et dispositif électrochimique et dispositif électronique le comprenant
WO2022205163A1 (fr) * 2021-03-31 2022-10-06 宁德新能源科技有限公司 Séparateur, appareil électrochimique comprenant un séparateur et appareil électronique
CN113471629B (zh) * 2021-06-25 2022-10-04 湖南中锂新材料有限公司 一种复合涂层结构的隔膜及其制备方法
CA3228908A1 (fr) * 2021-08-24 2023-08-25 Zhengming Zhang Separateurs de dissipation de chaleur pour batteries a haute energie
CN114300808A (zh) * 2021-12-31 2022-04-08 珠海冠宇电池股份有限公司 一种隔膜及包括该隔膜的电池

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014180821A (ja) * 2013-03-19 2014-09-29 Sekisui Chem Co Ltd 積層フィルム並びにこれを用いてなる電池用セパレータ及び電池
US20150171490A1 (en) * 2006-02-16 2015-06-18 Lg Chem, Ltd. Lithium secondary battery with enhanced heat-resistance
US20170250400A1 (en) * 2016-02-26 2017-08-31 Contemporary Amperex Technology Co., Limited Electrode with coating layer and li-ion battery including the same

Family Cites Families (15)

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JP5213007B2 (ja) * 2007-02-23 2013-06-19 日立マクセル株式会社 電池用セパレータおよび非水電解質電池
JP2012155914A (ja) * 2011-01-25 2012-08-16 Hitachi Maxell Ltd 電気化学素子用セパレータおよび電気化学素子
JP5834940B2 (ja) * 2012-01-18 2015-12-24 トヨタ自動車株式会社 非水電解質二次電池用のセパレータ、及び非水電解質二次電池
KR101708883B1 (ko) 2012-09-19 2017-02-21 주식회사 엘지화학 전기화학소자용 세퍼레이터 및 그를 포함하는 전기화학소자
CN105440770B (zh) * 2014-06-30 2021-05-04 四川茵地乐材料科技集团有限公司 用于改性锂离子电池用隔膜的水性组合物及改性隔膜和电池
KR20160061165A (ko) * 2014-11-21 2016-05-31 삼성에스디아이 주식회사 이차 전지용 세퍼레이터 및 이를 포함하는 이차 전지
JP2016152071A (ja) * 2015-02-16 2016-08-22 株式会社日本自動車部品総合研究所 二次電池
KR102017239B1 (ko) * 2015-05-04 2019-09-02 주식회사 엘지화학 내열 입자를 포함하는 다공성 코팅층을 구비한 복합 분리막 및 이를 포함하는 전기화학소자
CN107851762B (zh) * 2015-07-10 2021-06-25 株式会社Lg化学 隔板和包括该隔板的电化学装置
KR102102982B1 (ko) * 2015-11-27 2020-04-22 주식회사 엘지화학 내열성 이차전지용 분리막 및 이를 포함하는 리튬 이차전지
EP3392931B1 (fr) * 2016-08-26 2020-06-17 LG Chem, Ltd. Séparateur pour dispositif électrochimique et dispositif électrochimique comprenant ledit séparateur
WO2018047468A1 (fr) * 2016-09-07 2018-03-15 帝人株式会社 Séparateur pour batterie secondaire non aqueuse et batterie secondaire non aqueuse
KR102018713B1 (ko) 2016-12-21 2019-11-04 롯데첨단소재(주) 수지 조성물 및 이로부터 제조된 성형품
CN106861571B (zh) * 2017-02-22 2019-10-11 南京林业大学 一种三聚氰胺-甲醛树脂包覆镁铝层状双金属氢氧化物微胶囊的制备方法
US11450921B2 (en) * 2017-11-24 2022-09-20 Lg Energy Solution, Ltd. Separator fabrication method, separator fabricated thereby, and electrochemical element comprising same separator

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150171490A1 (en) * 2006-02-16 2015-06-18 Lg Chem, Ltd. Lithium secondary battery with enhanced heat-resistance
JP2014180821A (ja) * 2013-03-19 2014-09-29 Sekisui Chem Co Ltd 積層フィルム並びにこれを用いてなる電池用セパレータ及び電池
US20170250400A1 (en) * 2016-02-26 2017-08-31 Contemporary Amperex Technology Co., Limited Electrode with coating layer and li-ion battery including the same

Also Published As

Publication number Publication date
WO2019245343A1 (fr) 2019-12-26
EP3675232A1 (fr) 2020-07-01
KR20200000371A (ko) 2020-01-02
TW202012160A (zh) 2020-04-01
CN110945683A (zh) 2020-03-31
JP2020529708A (ja) 2020-10-08
TWI798456B (zh) 2023-04-11
US20210036286A1 (en) 2021-02-04
KR102311778B1 (ko) 2021-10-12
CN110945683B (zh) 2022-10-28
JP6987963B2 (ja) 2022-01-05

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